Protective device

• Main Author: GU YIBING
• Format: Patent
• Language: Chinese; English
• Published: 20.06.2023
• Subjects: CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; DIAGNOSIS; DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; KEYS; LADDERS; LOCKS; MEDICAL OR VETERINARY SCIENCE; SAFES; SURGERY; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The utility model discloses a protective device which comprises a base, a threaded rod is connected with a groove in the upper portion of the base in a penetrating mode, a connecting base is installed on the upper portion of the threaded rod through a bearing, a second moving base is connected with the upper portion of the threaded rod in a threaded penetrating mode, and an installation plate is fixedly installed on the right side of the second moving base. And a protection plate is fixedly mounted below the mounting plate. The protection device is provided with moving doors, moving rods, an observation window and a two-way screw rod, a protection plate is fixedly connected to the lower portion of a mounting plate, and moving grooves are formed in the upper side and the lower side of the surface of the protection plate and slidably connected with the two moving doors; and the upper portions of the two movable doors are in sliding connection with first movable bases connected with the two ends of a two-way lea